body {
	font-family: 'Tanker', sans-serif;
	margin: 0;
	padding: 0;
	background-color: rgb(245, 245, 255);
	text-transform: lowercase;
}

.symbol {
	width: 24px;
	height: 24px;
	vertical-align: middle;
	margin: 0 2px;
}

.puzzle,
.tutorial {
	width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	font-size: 30px;
	box-sizing: border-box;
	position: absolute;
	left: 50%;
	top: 50%;
	translate: -50% -50%;
	max-height: 100vh;
	overflow-y: auto;
	padding: 30px;
}

.puzzle {
	padding-bottom: 60px;
}

.tutorial>h2 {
	margin: 10px;
}

.difficulty {
	display: flex;
	justify-content: center;
	align-items: center;
	border-bottom: solid 2px black;
}

.clues {
	display: flex;
	justify-content: center;
	align-items: center;
}

.problem {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	background-color: #dedef8;
	padding: 5px;
	margin: 5px;
	border-radius: 5px;
	border: solid 2px black;
}

#incorrects {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	max-width: 60vw;
}

.inc {
	font-size: 20px;
	color: rgb(196, 109, 109);
	text-decoration: line-through;
}

button {
	background-color: transparent;
	border: none;
	border-bottom: 2px solid black;
	font-family: inherit;
	font-size: 20px;
	color: black;
	margin: 5px;
	padding: 5px;
	transition: 0.2s;
	cursor: pointer;
}

button:hover {
	background-color: black;
	color: white;
}

button:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	border-bottom: 2px solid #888;
}

button:disabled:hover {
	background-color: transparent;
	color: black;
}

.buttons {
	display: flex;
	justify-content: center;
	align-items: center;
}

input {
	font-family: inherit;
	font-size: inherit;
	padding: 5px;
	border: none;
	margin: 5px;
	background-color: transparent;
	border-bottom: 2px solid black;
	text-align: center;
}

p {
	margin: 5px;
}

h1 {
	margin: 0;
}

sub {
	margin: 0;
	border-bottom: 2px solid black;
	margin-bottom: 30px;
}

a {
	font-size: 20px;
	color: black;
	transition: 0.2s;
}

a:hover {
	color: #888;
}

.ad {
	position: fixed;
	bottom: 0;
	left: 50%;
	translate: -50% 0;
	width: 90%;
	background-color: white;
	padding: 10px;
	border-radius: 5px 5px 0 0;
	border: solid 2px black;
	border-bottom: none;
	box-sizing: border-box;
	text-align: center;
	height: 50px;
	z-index: 2;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}